Parkinson's disease (IMAGE) Arizona State University Caption A new study highlights the role of misfolded tau proteins in the genesis and trajectory of Parkinson's disease. Graphic by Jason Drees/ASU Credit Jason Drees for the Biodesign Institute at Arizona State University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.